97816654 has 16 divisors (see below), whose sum is σ = 164882592. Its totient is φ = 43183008.

The previous prime is 97816627. The next prime is 97816661. The reversal of 97816654 is 45661879.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81189 + ... + 82384.

It is an arithmetic number, because the mean of its divisors is an integer number (10305162).

Almost surely, 2^97816654 is an apocalyptic number.

97816654 is a deficient number, since it is larger than the sum of its proper divisors (67065938).

97816654 is a wasteful number, since it uses less digits than its factorization.

97816654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163611.

The product of its digits is 362880, while the sum is 46.

The square root of 97816654 is about 9890.2302298784. The cubic root of 97816654 is about 460.7559309898.

The spelling of 97816654 in words is "ninety-seven million, eight hundred sixteen thousand, six hundred fifty-four".